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Cheapest one-way flights from Boston (BOS) to Frankfurt (FRA), December

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Dates, airline, and price
Dates	Airline	Price
11 Dec	Aer Lingus
20 Dec	Icelandair
19 Dec	Icelandair
18 Dec	Icelandair
11 Dec	United Direct Flight
24 Dec	Lufthansa Direct Flight
20 Dec	United Direct Flight
18 Dec	United Direct Flight
19 Dec	United Direct Flight

deals for return flights from Boston to Frankfurt in December.

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Updated Jul 3, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Boston (BOS) to Frankfurt (FRA), December

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